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1///////////////////////////////////////////////////////////////////////////////
2// Name: tests/strings/crt.cpp
3// Purpose: Test for wx C runtime functions wrappers
4// Author: Vaclav Slavik
5// Created: 2004-06-03
6// RCS-ID: $Id$
7c5ac499 7// Copyright: (c) 2004 Vaclav Slavik
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8// Licence: wxWindows licence
9///////////////////////////////////////////////////////////////////////////////
10
11// ----------------------------------------------------------------------------
12// headers
13// ----------------------------------------------------------------------------
14
8899b155 15#include "testprec.h"
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16
17#ifdef __BORLANDC__
18 #pragma hdrstop
19#endif
20
21#ifndef WX_PRECOMP
22 #include "wx/wx.h"
23#endif // WX_PRECOMP
24
25#include "wx/textfile.h"
26
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27// ----------------------------------------------------------------------------
28// constants
29// ----------------------------------------------------------------------------
30
31static const char *strMB = "hello, world";
32static const wchar_t *strWC = L"hello, world";
33static const wxString strWX("hello, world");
34
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35// ----------------------------------------------------------------------------
36// test class
37// ----------------------------------------------------------------------------
38
39class CrtTestCase : public CppUnit::TestCase
40{
41public:
42 CrtTestCase() {}
43
44private:
45 CPPUNIT_TEST_SUITE( CrtTestCase );
46 CPPUNIT_TEST( SetGetEnv );
87f528f1 47#if wxUSE_UNICODE
874dbd3a 48 CPPUNIT_TEST( Strchr );
87f528f1 49#endif // wxUSE_UNICODE
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50 CPPUNIT_TEST( Strcmp );
51 CPPUNIT_TEST( Strspn );
52 CPPUNIT_TEST( Strcspn );
105260e8 53 CPPUNIT_TEST( Strpbrk );
7c5ac499 54 CPPUNIT_TEST( Strnlen );
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55 CPPUNIT_TEST_SUITE_END();
56
57 void SetGetEnv();
87f528f1 58#if wxUSE_UNICODE
874dbd3a 59 void Strchr();
87f528f1 60#endif // wxUSE_UNICODE
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61 void Strcmp();
62 void Strspn();
63 void Strcspn();
105260e8 64 void Strpbrk();
7c5ac499 65 void Strnlen();
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66
67 DECLARE_NO_COPY_CLASS(CrtTestCase)
68};
69
70// register in the unnamed registry so that these tests are run by default
71CPPUNIT_TEST_SUITE_REGISTRATION( CrtTestCase );
72
e3778b4d 73// also include in its own registry so that these tests can be run alone
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74CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( CrtTestCase, "CrtTestCase" );
75
76void CrtTestCase::SetGetEnv()
77{
9a83f860 78#define TESTVAR_NAME wxT("WXTESTVAR")
787de19a 79
cf8ee08b 80 wxString val;
9a83f860 81 wxSetEnv(TESTVAR_NAME, wxT("value"));
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82 CPPUNIT_ASSERT( wxGetEnv(TESTVAR_NAME, &val) );
83 CPPUNIT_ASSERT_EQUAL( "value", val );
84 CPPUNIT_ASSERT_EQUAL( "value", wxString(wxGetenv(TESTVAR_NAME)) );
85
9a83f860 86 wxSetEnv(TESTVAR_NAME, wxT("something else"));
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87 CPPUNIT_ASSERT( wxGetEnv(TESTVAR_NAME, &val) );
88 CPPUNIT_ASSERT_EQUAL( "something else", val );
89 CPPUNIT_ASSERT_EQUAL( "something else", wxString(wxGetenv(TESTVAR_NAME)) );
90
91 CPPUNIT_ASSERT( wxUnsetEnv(TESTVAR_NAME) );
92 CPPUNIT_ASSERT( !wxGetEnv(TESTVAR_NAME, NULL) );
93 CPPUNIT_ASSERT( !wxGetenv(TESTVAR_NAME) );
94
95#undef TESTVAR_NAME
cf8ee08b 96}
52de37c7 97
87f528f1 98#if wxUSE_UNICODE
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99void CrtTestCase::Strchr()
100{
101 // test that searching for a wide character in a narrow string simply
102 // doesn't find it but doesn't fail with an assert (#11487)
103 const wxUniChar smiley = *wxString::FromUTF8("\xe2\x98\xba").begin();
104
105 CPPUNIT_ASSERT( !wxStrchr("hello", smiley) );
106
107 // but searching for an explicitly wide character does find it
108 CPPUNIT_ASSERT( wxStrchr(wxString::FromUTF8(":-) == \xe2\x98\xba"),
109 static_cast<wchar_t>(smiley)) );
110}
87f528f1 111#endif // wxUSE_UNICODE
874dbd3a 112
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113void CrtTestCase::Strcmp()
114{
115 // this code tests if all possible ways of calling wxStrcmp() compile:
116 const char * const char1 = "first";
117 const wchar_t * const wchar1 = L"first";
118 wxString str1("first");
119 wxCStrData cstr1(str1.c_str());
120 wxCharBuffer charbuf1(char1);
121 wxWCharBuffer wcharbuf1(wchar1);
122
123 const char * const char2 = "last";
124 const wchar_t * const wchar2 = L"last";
125 wxString str2("last");
126 wxCStrData cstr2(str2.c_str());
127 wxCharBuffer charbuf2(char2);
128 wxWCharBuffer wcharbuf2(wchar2);
129
130 CPPUNIT_ASSERT( wxStrcmp(char1, char2) < 0 );
131 CPPUNIT_ASSERT( wxStrcmp(char1, wchar2) < 0 );
132 CPPUNIT_ASSERT( wxStrcmp(char1, str2) < 0 );
133 CPPUNIT_ASSERT( wxStrcmp(char1, cstr2) < 0 );
134 CPPUNIT_ASSERT( wxStrcmp(char1, charbuf2) < 0 );
135 CPPUNIT_ASSERT( wxStrcmp(char1, wcharbuf2) < 0 );
136
137 CPPUNIT_ASSERT( wxStrcmp(wchar1, char2) < 0 );
138 CPPUNIT_ASSERT( wxStrcmp(wchar1, wchar2) < 0 );
139 CPPUNIT_ASSERT( wxStrcmp(wchar1, str2) < 0 );
140 CPPUNIT_ASSERT( wxStrcmp(wchar1, cstr2) < 0 );
141 CPPUNIT_ASSERT( wxStrcmp(wchar1, charbuf2) < 0 );
142 CPPUNIT_ASSERT( wxStrcmp(wchar1, wcharbuf2) < 0 );
143
144 CPPUNIT_ASSERT( wxStrcmp(str1, char2) < 0 );
145 CPPUNIT_ASSERT( wxStrcmp(str1, wchar2) < 0 );
146 CPPUNIT_ASSERT( wxStrcmp(str1, str2) < 0 );
147 CPPUNIT_ASSERT( wxStrcmp(str1, cstr2) < 0 );
148 CPPUNIT_ASSERT( wxStrcmp(str1, charbuf2) < 0 );
149 CPPUNIT_ASSERT( wxStrcmp(str1, wcharbuf2) < 0 );
150
151 CPPUNIT_ASSERT( wxStrcmp(cstr1, char2) < 0 );
152 CPPUNIT_ASSERT( wxStrcmp(cstr1, wchar2) < 0 );
153 CPPUNIT_ASSERT( wxStrcmp(cstr1, str2) < 0 );
154 CPPUNIT_ASSERT( wxStrcmp(cstr1, cstr2) < 0 );
155 CPPUNIT_ASSERT( wxStrcmp(cstr1, charbuf2) < 0 );
156 CPPUNIT_ASSERT( wxStrcmp(cstr1, wcharbuf2) < 0 );
157
158 CPPUNIT_ASSERT( wxStrcmp(charbuf1, char2) < 0 );
159 CPPUNIT_ASSERT( wxStrcmp(charbuf1, wchar2) < 0 );
160 CPPUNIT_ASSERT( wxStrcmp(charbuf1, str2) < 0 );
161 CPPUNIT_ASSERT( wxStrcmp(charbuf1, cstr2) < 0 );
162 CPPUNIT_ASSERT( wxStrcmp(charbuf1, charbuf2) < 0 );
163 CPPUNIT_ASSERT( wxStrcmp(charbuf1, wcharbuf2) < 0 );
164
165 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, char2) < 0 );
166 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wchar2) < 0 );
167 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, str2) < 0 );
168 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, cstr2) < 0 );
169 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, charbuf2) < 0 );
170 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wcharbuf2) < 0 );
171}
172
173void CrtTestCase::Strspn()
174{
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175 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "xyz") );
176 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "xyz") );
177 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "xyz") );
178 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, L"xyz") );
179 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, L"xyz") );
180 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, L"xyz") );
181
182 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strMB, "hleo") );
183 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWC, "hleo") );
184 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWX, "hleo") );
185
186 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "ld") );
187 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "ld") );
188 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "ld") );
189
190 CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strMB, strWC) );
191 CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWC, strWX) );
192 CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWX, strMB) );
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193}
194
195void CrtTestCase::Strcspn()
196{
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197 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, strWX) );
198 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, strMB) );
199 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, strWC) );
52de37c7 200
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201 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strMB, ", ") );
202 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWC, ", ") );
203 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWX, ", ") );
52de37c7 204
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205 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, "hel") );
206 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, "hel") );
207 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, "hel") );
52de37c7 208
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209 CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strMB, "xy") );
210 CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWC, "xy") );
211 CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWX, "xy") );
52de37c7 212}
af9c764a 213
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214void CrtTestCase::Strpbrk()
215{
216 const wxString s(", ");
217
218 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, ", ") );
219 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, L", ") );
220 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, ", ") );
221 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, L", ") );
222
223 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, s) );
224 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s) );
225 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, s) );
226 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX.c_str(), s) );
227
228 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, s.c_str()) );
229 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.c_str()) );
230 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, s.c_str()) );
231 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX.c_str(), s.c_str()) );
232
233 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, s.mb_str()) );
234 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.wc_str()) );
235 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, s.mb_str()) );
236 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, s.wc_str()) );
237 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX.c_str(), s.mb_str()) );
238 CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX.c_str(), s.wc_str()) );
239
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240 CPPUNIT_ASSERT( !wxStrpbrk(strWX, "xyz") );
241 CPPUNIT_ASSERT( !wxStrpbrk(strWX.c_str(), L"xyz") );
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242}
243
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244void CrtTestCase::Strnlen()
245{
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246 // other misc tests for wxStrnlen(const char*, size_t)
247
248 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("", 0) );
249 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("", 8) );
250 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("1234", 0) );
251 CPPUNIT_ASSERT_EQUAL( (size_t)2, wxStrnlen("1234", 2) );
252 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen("1234", 8) );
253 CPPUNIT_ASSERT_EQUAL( (size_t)7, wxStrnlen("1234567", 8) );
254 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen("12345678", 8) );
255 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen("123456789", 8) );
256 CPPUNIT_ASSERT_EQUAL( (size_t)9, wxStrnlen("123456789", 12) );
257
258 // other misc tests for wxStrnlen(const wchar_t*, size_t)
259
260 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L"", 0) );
261 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L"", 8) );
262 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L"1234", 0) );
263 CPPUNIT_ASSERT_EQUAL( (size_t)2, wxStrnlen(L"1234", 2) );
264 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen(L"1234", 8) );
265 CPPUNIT_ASSERT_EQUAL( (size_t)7, wxStrnlen(L"1234567", 8) );
266 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen(L"12345678", 8) );
267 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen(L"123456789", 8) );
268 CPPUNIT_ASSERT_EQUAL( (size_t)9, wxStrnlen(L"123456789", 12) );
269
270 // wxStrlen() is only for NULL-terminated strings:
271 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen("1234" "\0" "78", 12) );
272 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen(L"1234" L"\0" L"5678", 12) );
273}
274
275
276